3 Kreuzer Prussian blue, perforated K 13 1 / 2, with red experiment gumming, single franking on cover from "87" MANNHEIM 11 January (1861) to Dürkheim, a few perforation are shortened, the red experiment gumming became due to an official instruction from 16 May 1860 by one part of issue affixed, photo expertize Franz Stegmueller BPP (2024) "originally and fresh colours, otherwise very fine. ", Michel 1.200.-